20679043

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2659}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 26046720

約数和(自身を除く): 5367677

約数列:

[1, 7, 11, 77, 101, 707, 1111, 2659, 7777, 18613, 29249, 204743, 268559, 1879913, 2954149, 20679043]

約数ペア:

[(1, 20679043), (7, 2954149), (11, 1879913), (77, 268559), (101, 204743), (707, 29249), (1111, 18613), (2659, 7777)]